Date: Fri, 20 May 2016 15:54:01 +0300 From: Vladimir Zakharov <zakharov.vv@gmail.com> To: "O. Hartmann" <ohartman@zedat.fu-berlin.de> Cc: FreeBSD CURRENT <freebsd-current@freebsd.org> Subject: Re: CURRENT: ipfw: problems with timeouts and worse network performance Message-ID: <20160520125401.GC2371@vzakharov> In-Reply-To: <20160520140152.3ab6fe44@hermann> References: <20160520140152.3ab6fe44@hermann>
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Hello On Fri, May 20, 2016, O. Hartmann wrote: > I reported earlier about broken pipes in ssh sessions to remote hosts, > which occur on an erratic basis. i'm investigating this problem now and > it seems that it is also ipfw-related, but I'm not sure. This problem > is present since a couple of weeks now. Maybe this could help... I've also experienced problems with broken pipes in ssh sessions some time ago. Setting in sysctl.conf net.inet.ip.fw.dyn_ack_lifetime=3600 fixed problem for me. I didn't experiment with the value though. So, possibly, changing default value (300s) to 1 hour is overkill :). -- Regards, | "In theory there is no difference between theory Vladimir Zakharov | and practice. In practice there is."- Yogi Berra
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